Perhaps you should try some spelling variations:
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during disease » urine disease (Expand search), ring disease (Expand search), using disease (Expand search)
disease flash » disease flare (Expand search), disease fish (Expand search), disease wash (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)
flash laser » flash based (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease in decrease _ decrease ) OR ( decrease during disease flash laser ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease in decrease _ decrease ) OR ( decrease during disease flash laser ))*.